Color of Image is Not Proper

WARNING: This page is about a different car, the 2005 Nissan 350Z. However, it is still accessible from the selected car via links, so may be relevant.

CHECK RGB HARNESS
1. Turn ignition switch OFF.
2. Disconnect NAVI control unit connector and display unit connector.
3. Check continuity as following.
- When the screen looks bluish
  
  Fig 1: NAVI Control Unit Connector Terminals 17, 18 (B) & Display Unit Connector Terminals 1 (L/R), 4 Continuity Specifications Table
  Courtesy of NISSAN MOTOR CO., U.S.A.
  
  Fig 2: NAVI Control Unit Connector Terminals 17, 18 (B) & Ground Continuity Specifications Table
  Courtesy of NISSAN MOTOR CO., U.S.A.
  
  Fig 3: NAVI Control Unit Connector Terminals 17, 18 & Display Unit Connector Terminals 1, 4 & Ground Continuity Test
  Courtesy of NISSAN MOTOR CO., U.S.A.
- When the screen looks reddish
  
  Fig 4: NAVI Control Unit Connector Terminals 17, 21 (W) & Display Unit Connector Terminals 2 (L), 4 Continuity Specifications Table
  Courtesy of NISSAN MOTOR CO., U.S.A.
  
  Fig 5: NAVI Control Unit Connector Terminals 17, 21 (W) & Ground Continuity Specifications Table
  Courtesy of NISSAN MOTOR CO., U.S.A.
  
  Fig 6: NAVI Control Unit Connector Terminals 17, 21 & Display Unit Connector Terminals 2, 4 & Ground Continuity Test
  Courtesy of NISSAN MOTOR CO., U.S.A.
- When the screen looks yellowish
  
  Fig 7: NAVI Control Unit Connector Terminals 15 (R), 17 & Display Unit Connector Terminals 3 (LW), 4 Continuity Specifications Table
  Courtesy of NISSAN MOTOR CO., U.S.A.
  
  Fig 8: NAVI Control Unit Connector Terminals 15 (R), 17 & Ground Continuity Specifications Table
  Courtesy of NISSAN MOTOR CO., U.S.A.
  
  Fig 9: NAVI Control Unit Connector Terminals 15, 17 & Display Unit Connector Terminals 3, 4 & Ground Continuity Test
  Courtesy of NISSAN MOTOR CO., U.S.A.
OK or NG
- OK : GO TO 2.
- NG : Repair harness or connector.
CHECK RGB SIGNAL
1. Connect NAVI control unit connector and display unit connector.
2. Turn ignition switch ON.
3. Display "Color bar" by "CONFIRMATION/ADJUSTMENT" mode.
4. Check the following with CONSULT-II or oscilloscope.
- When the screen looks bluish.
  Check signal between NAVI control unit harness connector B 104 terminals 18 (B) and 17.
  - 18 - 17 : Refer to "TERMINALS AND REFERENCE VALUE FOR NAVI CONTROL UNIT ".
  Fig 10: NAVI Control Unit Harness Connector B 104 Terminals 18 (B) & 17 Signal Test
  Courtesy of NISSAN MOTOR CO., U.S.A.
- When the screen looks reddish.
  Check signal between NAVI control unit harness connector B 104 terminals 21 (W) and 17.
  - 21 - 17 : Refer to "TERMINALS AND REFERENCE VALUE FOR NAVI CONTROL UNIT ".
- When the screen looks yellowish.
  Check signal between NAVI control unit harness connector B 104 terminals 15 (R) and 17.
  - 15 - 17 : Refer to "TERMINALS AND REFERENCE VALUE FOR NAVI CONTROL UNIT ".
OK or NG
- OK : Replace display unit.
- NG : Replace NAVI control unit.